216595054 has 16 divisors (see below), whose sum is σ = 355109328. Its totient is φ = 98474112.

The previous prime is 216595051. The next prime is 216595063. The reversal of 216595054 is 450595612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216595051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60427 + ... + 63910.

It is an arithmetic number, because the mean of its divisors is an integer number (22194333).

Almost surely, 2^216595054 is an apocalyptic number.

216595054 is a deficient number, since it is larger than the sum of its proper divisors (138514274).

216595054 is a wasteful number, since it uses less digits than its factorization.

216595054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124419.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 216595054 is about 14717.1686815094. The cubic root of 216595054 is about 600.5504707414.

The spelling of 216595054 in words is "two hundred sixteen million, five hundred ninety-five thousand, fifty-four".